.main_body{
    overflow: hidden;
    margin-top: -40px;
    padding: 0;
    background-color: rgb(244, 244, 244);
}
.row{
    display: flex;
    margin:20px auto;
    justify-content:center;
}
.touxiang{
    width: 26px;
}
#back_top{
    position: fixed;
    background:gray;
    color: #ffffff;
    padding: 5px;
    bottom: 30px;
    right: 30px;
    width: 42px;
    text-align: center;
    cursor: pointer;
  }
.block{
    margin: 0px 10px;
    line-height:16px;
    border-radius:6px;
    background-color: white;
    
}
.block p{
    display: block;
    font-size: 14px;
    text-align: left;
}
p.head_p{
    padding: 10px 0px 2px 10px;
}
p.context_p{
    padding: 10px 10px 20px 10px;
    float: left;
    color: #888888;
  
}
.icon{
    text-align: left;
    color:#888888;  
}
.icon span{
    font-size: 12px;
    padding:8px 4px 0px 10px;
    font-weight: normal;
}
.infocard{
    padding-bottom: 10px;
    border-bottom: #ccc 1px solid;
}
.block_userinfo{
    margin:10px;
    text-align: center;
    display: flex;
    justify-content: space-around;
}
.block_userinfo_left{
    margin-left:3px;
}
span.user{
    padding-left: 4px;
    vertical-align: middle;
    font-size: 18px;
}
p.time{
    text-align: center;
    vertical-align: middle;
    margin: 6px 0px 0px 0px;
    font-size: 12px;
    color: #888888;

}